fff ffi ffm ffn ffy fif fii fim fin fmf fmi fmm fmn fnf fni fnm fnn fy- fyi fyn i-f iff ifi ifm ifn ify iif iii iim iin im- imf imi imm imn imy in- inf ini inm inn iny iym iyy m-f mff mfi mfm mfn mfy mi- mif mii mim min miy mmf mmi mmm mmn mnf mni mnm mnn my- myf mym myn n-i nff nfi nfn nif nii nim nin nmi nmm nmn nnf nni nnm nnn nyf nym nyn nyy yff yfm yif yii yim yin ymi ymm ynn yny yyf yyy